NAICS 541990: All Other Professional
This industry comprises establishments primarily engaged in the provision of professional, scientific, or technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services).

Illustrative Examples:

Appraisal (except real estate) services
Marine surveyor (i.e., appraiser) services
Arbitration and conciliation services (except by lawyer, attorney, or paralegal offices)
Patent broker services (i.e., patent marketing services)
Commodity inspector services
Pipeline or power line inspection (i.e., visual) services
Consumer credit counseling services
Weather forecasting services
Handwriting analysis services 

ExioML sector: Other business services (74)
Region: US | Year: 2022
Sector value added: 2061953.3722 M EUR | Employment: 13585.1834804 thousand persons
Sector GHG emissions: 29023033460.9 kg CO2 eq | Energy carrier net total: 1444103.87771 TJ | Carbon intensity: 0.014075504253490414

Company: Underwriters Laboratories Inc
Underwriters Laboratories Inc. operates as a safety science company. The Company offers services including chemical emissions certification, multiple listing and private labeling, chemical testing, environmental claim validation, factory inspection, field evaluation, and clinical services.